Pith Number

pith:X7GXTF3W

pith:2019:X7GXTF3WZC4F3UOFABZWYJNGB6

not attested not anchored not stored refs pending

Usability Squared: Principles for doing good systems research in robotics

Ross A. Knepper, Soham Sankaran

arxiv:1906.06775 v1 · 2019-06-16 · cs.RO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7GXTF3WZC4F3UOFABZWYJNGB6}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:43:12.667833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfcd799776c8b85dd1c500736c25a60fa4bda16beec76d8240ce03fbf4968c08

Aliases

arxiv: 1906.06775 · arxiv_version: 1906.06775v1 · doi: 10.48550/arxiv.1906.06775 · pith_short_12: X7GXTF3WZC4F · pith_short_16: X7GXTF3WZC4F3UOF · pith_short_8: X7GXTF3W

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/X7GXTF3WZC4F3UOFABZWYJNGB6 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: bfcd799776c8b85dd1c500736c25a60fa4bda16beec76d8240ce03fbf4968c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2b6b2d4cade2e1e88db67b864a2a488dd813582849fdae02b45137494e0c00c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.RO",
    "submitted_at": "2019-06-16T21:24:33Z",
    "title_canon_sha256": "a662e8153aebc832b3d5c82f652c9e29f61985adf7d1a9a43f4e47b2b70310ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06775",
    "kind": "arxiv",
    "version": 1
  }
}